Home / 14,057.23-19,395.78-8,393.81

Finding the Fourth Proportional to 14,057.23, 19,395.78 and 8,393.81

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Solution

The fourth proportional to 14,057.23, 19,395.78 and 8,393.81 is: 11,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.23 : 19,395.78 = 8,393.81 : x
  2. Step 2: Convert to fraction form
    14,057.23/19,395.78 = 8,393.81/x
  3. Step 3: Cross multiply
    14,057.23x = 19,395.78 × 8,393.81
  4. Step 4: Simplify right side
    14,057.23x = 162,804,556.35
  5. Step 5: Solve for x
    x = 162,804,556.35/14,057.23
  6. Step 6: Final answer
    x = 11,581.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.